Messages in this thread | | | Date | Tue, 29 Nov 2022 16:34:12 -0800 | From | Jacob Pan <> | Subject | Re: [PATCH v2] iommu/vt-d: Add a fix for devices need extra dtlb flush |
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Hi Baolu,
On Wed, 30 Nov 2022 08:10:55 +0800, Baolu Lu <baolu.lu@linux.intel.com> wrote:
> > --- a/drivers/iommu/intel/iommu.c > > +++ b/drivers/iommu/intel/iommu.c > > @@ -1396,6 +1396,23 @@ static void domain_update_iotlb(struct > > dmar_domain *domain) spin_unlock_irqrestore(&domain->lock, flags); > > } > > > > +/* > > + * Impacted QAT device IDs ranging from 0x4940 to 0x4943. > > + * This quirk is exempted from risky_device() check because it applies > > only > > + * to the built-in QAT devices. > > + */ > > How about adding: > > "This quirk is exempted from risky_device() check because it doesn't > effectively grant additional privileges." sounds good.
Thanks,
Jacob
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